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61 lines
2.5 KiB
Java
61 lines
2.5 KiB
Java
/*
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* Copyright (c) 2025, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @summary Stress test async UL in dropping and stalling mode
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* @requires vm.flagless
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* @requires vm.debug
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* @library /test/lib
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* @modules java.base/jdk.internal.misc
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* @run driver StressAsyncUL
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*/
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import jdk.test.lib.process.OutputAnalyzer;
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import jdk.test.lib.process.ProcessTools;
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public class StressAsyncUL {
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static void analyze_output(boolean stalling_mode, String... args) throws Exception {
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ProcessBuilder pb =
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ProcessTools.createLimitedTestJavaProcessBuilder(args);
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OutputAnalyzer output = new OutputAnalyzer(pb.start());
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output.shouldHaveExitValue(0);
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if (stalling_mode) {
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output.shouldNotContain("messages dropped due to async logging");
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}
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}
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public static void main(String[] args) throws Exception {
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analyze_output(false, "-Xlog:async:drop", "-Xlog:all=trace", InnerClass.class.getName());
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analyze_output(true, "-Xlog:async:stall", "-Xlog:all=trace", InnerClass.class.getName());
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// Stress test with a very small buffer. Note: Any valid buffer size must be able to hold a flush token.
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// Therefore the size of the buffer cannot be zero.
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analyze_output(false, "-Xlog:async:drop", "-Xlog:all=trace", "-XX:AsyncLogBufferSize=192", InnerClass.class.getName());
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analyze_output(true, "-Xlog:async:stall", "-Xlog:all=trace", "-XX:AsyncLogBufferSize=192", InnerClass.class.getName());
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}
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public static class InnerClass {
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public static void main(String[] args) {
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}
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}
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}
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